Online technology for teaching and learning-gains and losses.

This commentary describes recent developments in the use of online technologies, in particular social media and mobile devices, for teaching and learning and considers what has been gained and lost.

Analysis of the virus population present in equine faeces indicates the presence of hundreds of uncharacterized virus genomes.

Virus DNA was isolated from horse faeces and cloned in a sequence-independent fashion. 268 clones were sequenced and 178140 nucleotides of sequence obtained. Statistical analysis suggests the library contains 17560 distinct clones derived from up to 233 different virus genomes.